Home / 2,021.96-3,031.02-1,200.44

Finding the Fourth Proportional to 2,021.96, 3,031.02 and 1,200.44

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Solution

The fourth proportional to 2,021.96, 3,031.02 and 1,200.44 is: 1,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021.96 : 3,031.02 = 1,200.44 : x
  2. Step 2: Convert to fraction form
    2,021.96/3,031.02 = 1,200.44/x
  3. Step 3: Cross multiply
    2,021.96x = 3,031.02 × 1,200.44
  4. Step 4: Simplify right side
    2,021.96x = 3,638,557.65
  5. Step 5: Solve for x
    x = 3,638,557.65/2,021.96
  6. Step 6: Final answer
    x = 1,799.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.